Wringer and the like



Oct. 19, 1943. w. L. KAUFFMAN, 2D ,2

WRINGER AND THE LIKE I Filed Oct. 5, 1 59 {a 3 Z I m ,5 I

' slidingly mounted in the stiles.

' to a pin l6 secured to the lever.

Patented O t. 19, 1943 2,-3s2,23;1- WR NG R ND 'HEE JKE Walter, L..Kauffman, 11, Erie, flassignor .to l Lovell Manu facturing Company,Erie, Pa, a

corporation of Pennsylvania Application number 5,

Wringers are commonly provided Withrelease mechanisms by which zthepressure mia-y be instantly released in-case --of accidcnt; 'Ihey arealso provided with rareset mechanism by which they may .bequiokly reset.The reset mechanism of thepresent invention is .cperable with thereleasesdevice. Features and'details rQf .the -inven-- tion will-appearfromthespecifica'tionsand claims. .A preferred enibodimentef [theinventimiiis v illustrated in the accompanying drawing a-sfol lows:

Fig. 1 shows a front elevation .of a wringer,

partly in section.

Fig. 2 an-end viewof :a =.wringer with the reset lever removed.

Fig. 3 a perspective view of a latch.

Fig. 4 a section on the line 4-41 in Fig. 1.

Fig. 5 a detached view of an end of a trip lever;

Fig. 6 a sectional view of a portion of a stile have downwardlyextending:arms.

1939, Serial 293,099 I screams. (ores-#263) ing the latch lbar on the:stile. The [latch :bar has front to back portions i22, .these portions22 of the arms 48 being, adjacent :to slots 23 in the front to backportions of the walls of the stile. Trip bars :24' extend across thewringer and The'arms at the reset end of the :Wringer are provided withon the line.66 in Fig. 4 showing the trip bar connection therewith.

Fig. '7 a similar view with a different position I of the trip bar. a

I marks a base of a wringer, 2 and 2a stiles extending upwardly from abase, '3 a top bar for the wringer frame. Wringer rolls 4 and 5 aremounted on the frame, the rolls havingshafts 6 and l respectively.The'shaft 6 is journaled in bearings 8 arranged in the stiles andresting on the base. The shaft 1 is journaled in bearings 9 A spring l0operates on the upper bearings and exerts pressure on the rolls.

The top bar has an interlocking detachable connection il at one end ofcommon construction.

At the opposite end'of the top bar there is a reset lever [2 which 'ishinged on the top bar at I3. The reset lever is of channel form formingan interior pocket. It is connected with the stile through links M, eachlink being pivotally connected at IS with an ear |5a on the stile andThe links and lever form a toggle by which the top car may be pulleddown to reset the pressure in awell known manner.

A latch 11 is carried by an arm and engages the rod is and locks theresetting leverin set position. The latch bar is extended by a fork I8extending both sides of the stile 2 and going through slots I9 in afront to back portion of the wall of the stile. The arms 18 haveperforations 20 and pivot pins 2| pass through these perforations andthe stile Wall, pivotally mountfiat portion-s; a, the frat portions"being formed by. bending the ends of the arms providing :out-

wardly extending portions '25; return bends. 26, and hook portions ,2!:at the inner end of thereturn bends, the .flat portions 2.5a 'being .on:the return [bends adjacent thehooks. posite the resetend ofzthe'wringer havehentends which extend into slots similar to :25 in thestile. The arms of the trip barsjarezsprung apart to' permit theinsertion of the assembly of the bent ends of the arms into the slots 23of the wringer. I

A spring lla yieldingly pulls the latch arms upwardly and locates thetop surface of these latch arms under the flat portions 25 and holds theflat portions normally in contact with the upper edges of the slots 23,thus yieldingly loeating the trip bar 24.

A cam surface 23 is arranged on the latch plate opposite the catch l1and this operates on the rod It to force it outwardly and with it thelever l2 when the latch arm is depressed.

In the operation of the device, when the trip bar is moved inwardly oroutwardly, one edge or the other of the fiat portion 25a operating as afulcrum against the upper edge of the slot 23 forces the opposite edgeof the portion downwardly and this, operating on a cross portion 22 of.the arms, depresses the latch plate, releases the hook IT, and at thesame time, through the cam 28 forces a release movement of the settinglever. Preferably the setting leveris set at approximately neutral sothat the friction on the surfaces of the catch l1 and the cam 28in arelease movement is very little, and the friction of the rocking partsof the trip lever-is reduced to a minimum so that a very sensitive yetvery The tar-ms -opflat portion at an edge operating as a fulcrum andthe flat portion at the edge opposite the fulcrum acting on the latch totrip the same.

2. In a Wringer or the like, the combination of a frame having top andbottom members having 5' stiles, one of said stiles having walls,portions of which extend in a direction from front to rear of theWringer, one of said portions having a slot; rolls mounted in theframeLa pressure means for the rolls; a release device for the pressuremeans, said release device having a latch; and a trip bar having a flatportion at one end e xtending into the slot in the stile, said fiatportion at one edge forming a fulcrum and the fiat portion attheopposite edge engaging the latch to trip the release.

3. In a wringer or the like, the combination of a frame having top andbottom members having stiles, said stiles having walls, portions ofwhich extend from front to rear of the wringer and at each end of theWringer, the front and rear extending portions having slots through thewalls thereof; rolls mounted in the frame; a pressure means for therolls; a release device for the pressure means, said release devicehaving a latch with arms extending through the front to rear walls ofone of the stiles; and trip bars at the front and rear of the wringer,said trip bars being of resilient material and having arms at theirends,

the armat one end of said bar having a flat portion arranged in a slot,the resilience of the arms permitting the assembly of the flat portionin the slot, the flat'portion at one edge forming a fulcrum and theflat'portion at the edge opposite the. 'fulcrum engaging a portion ofthe latch to release the release device.

' the fiat portion at one edge operating as a fulcrum and the flatportion at the edge opposite the fulcrum acting on the latch to trip thesame.

5. In a wringer or the like, the combination of a frame having top andbottom members having stiles, one of said stiles having walls, a portionof which extends in a direction from front to rear of the wringer, saidportion having a slot; rolls mountedin the frame; a pressure means forthe rolls; a release device for the pressure means,

said release device hawng a latch; and a trip bar of resilient materialhaving an operative portion extending along the wringer and arms at eachend, one of the arms having a flat portion extending into said slot, theresilience of the arms permitting of the springing of the trip bar toassemble the fiat portions in the slot, the fiat portion at its edgesoperating on the Wall of the slot forming fulcrums for the movement ofthe fiat portion at the edge opposite the edge forming the fulcrum foroperating the latch to release the pressure.

WALTER L. KAUFFMAN, II.

